[polymer] import all elements

pkg/polymer/lib/elements/web-animations-js/test/testcases/auto-test-start-time-checks.js

Index: pkg/polymer/lib/elements/web-animations-js/test/testcases/auto-test-start-time-checks.js
diff --git a/pkg/polymer/lib/elements/web-animations-js/test/testcases/auto-test-start-time-checks.js b/pkg/polymer/lib/elements/web-animations-js/test/testcases/auto-test-start-time-checks.js
new file mode 100644
index 0000000000000000000000000000000000000000..c10d2709a9b95601bff9a22d6f7ec64ae21c1904
--- /dev/null
+++ b/pkg/polymer/lib/elements/web-animations-js/test/testcases/auto-test-start-time-checks.js
@@ -0,0 +1,58 @@
+timing_test(function() {
+  at(0, function() {
+    assert_styles(
+      '.anim',
+      [{'left':'100px'},
+       {'left':'100px'},
+       {'left':'300px'},
+       {'left':'300px'}]);
+  }, "Autogenerated");
+  at(0.4, function() {
+    assert_styles(
+      '.anim',
+      [{'left':'180px'},
+       {'left':'180px'},
+       {'left':'220px'},
+       {'left':'220px'}]);
+  }, "Autogenerated");
+  at(0.8, function() {
+    assert_styles(
+      '.anim',
+      [{'left':'260px'},
+       {'left':'260px'},
+       {'left':'140px'},
+       {'left':'140px'}]);
+  }, "Autogenerated");
+  at(1.2000000000000002, function() {
+    assert_styles(
+      '.anim',
+      [{'left':'140px'},
+       {'left':'140px'},
+       {'left':'260px'},
+       {'left':'260px'}]);
+  }, "Autogenerated");
+  at(1.6, function() {
+    assert_styles(
+      '.anim',
+      [{'left':'220px'},
+       {'left':'220px'},
+       {'left':'180px'},
+       {'left':'180px'}]);
+  }, "Autogenerated");
+  at(2, function() {
+    assert_styles(
+      '.anim',
+      [{'left':'300px'},
+       {'left':'300px'},
+       {'left':'100px'},
+       {'left':'100px'}]);
+  }, "Autogenerated");
+  at(2.4, function() {
+    assert_styles(
+      '.anim',
+      [{'left':'300px'},
+       {'left':'300px'},
+       {'left':'100px'},
+       {'left':'100px'}]);
+  }, "Autogenerated");
+}, "Autogenerated checks.");